 
			 
			MCQOPTIONS
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				| 1. | Uridylylation and deuridylylation of PII are brought about by a single enzyme ______________ | 
| A. | Uridylyltransferase | 
| B. | Adenylyltransferase | 
| C. | Glutamate synthase | 
| D. | Dinitrogenase | 
| Answer» B. Adenylyltransferase | |